#4, and #5 (swinging strike) are sliders. Result was a strike out on pitch #5.

3rd batter:

#2 (behind #4), #3, #4, and #6 (swinging strike) were sliders. Result was a strike out on pitch #6.

Steve Stone said in the beginning of the 9th that in Sergio’s blown save against Oakland the release point of his slider wasn’t the same with the release point of his fastball and batters could determine when a slider was coming and not swing at the slider, but wait for a fastball. Pitch F/X has graphs for both outings.